Toto vs Geberit Shower Toilets Compared

How the two ranges compare

What a shower toilet needs from first fix, regardless of brand

Every shower toilet, whichever manufacturer, needs an electrical supply run to the pan position — fitted and zoned to Building Regulations Part P, since the unit sits in a bathroom and is considered a wet-zone appliance. This is planned at first fix, before walls are closed up and tiled, because retrofitting a power supply to an already-finished room means cutting into tiling that's just been laid.

A water connection for the wash function is also required in addition to the standard flush supply, and some models include an internal heater rather than needing a separate hot feed — we confirm the specific requirement for your chosen model before first fix, not after.

What first fix looks like for a shower toilet, whichever brand

The electrical circuit feeding the unit needs to be run and zoned before the wall is tiled, terminating at a position confirmed against the specific model's connection point — this varies slightly between an integrated unit and a frame-mounted pan, so we confirm the exact model before first fix rather than assuming a generic position will suit whatever arrives later. The supply typically needs isolation accessible without disturbing the pan itself, so a fault can be isolated safely for future servicing.

Where the unit pairs with a concealed cistern frame, the same inspection panel principles apply as with any concealed system — sized correctly to the frame manufacturer's specification and left genuinely accessible, not reduced to preserve a particular tile layout. Getting this sequencing right at first fix avoids a scenario where a fault with the wash function months later means disturbing finished tiling to reach a connection that should have been left accessible from the start.

Water supply for the wash function sometimes needs a separate isolation valve from the flush supply, again depending on the specific model — we check the manufacturer's current installation guidance for your chosen unit rather than relying on a generic shower toilet specification, since requirements do vary meaningfully between models even within the same brand's range.

Remote control versus in-built panel control: what it means living with the unit

Both Toto and Geberit offer shower toilet models with two broadly different ways of operating the wash, dry and seat-heat functions: a wall-mounted or handheld remote control, and controls built directly into a side panel on the pan itself. Neither approach is universally better — the right one depends on who's using the bathroom and how the room is laid out.

A remote control sits within easy reach of the seated position, which suits anyone with limited mobility or reach, and avoids having to twist to find a control on the pan itself. It does introduce two small practical considerations: the remote needs a wall-mounted holder or cradle positioned at first fix, and it runs on a battery that needs replacing occasionally rather than being hard-wired. An in-built panel control, by contrast, has no battery to think about and nothing to mislay, but does mean reaching to the side of the pan rather than a fixed, consistent position — fine for most users, less so for someone who finds reaching down to seat height from a standing position difficult. We talk through which format suits the room and the people using it at survey, rather than assuming one is the default.

Choosing between the two for your bathroom

If your WC installation already centres on a Geberit concealed cistern and frame, the AquaClean range sits naturally alongside it as a single-brand solution, often simplifying sourcing and warranty queries to one manufacturer. If you're drawn to a specific integrated washlet model or a particular control format Toto offers, that's a reasonable basis for the decision too — both brands are well represented in the UK market and neither presents a meaningfully different servicing burden over the life of the product.

Room depth and the pan's projection from the wall are worth checking against your specific room at survey, since a shower toilet unit — particularly an integrated one-piece model — is often larger front-to-back than a standard WC pan, which can affect clearance in a smaller cloakroom or en-suite.

Sources and standards

Electrical installation referenced in this guide follows Building Regulations Part P, covering the bathroom electrical zones applicable to a wet-zone appliance. Water supply connections follow Part G. Specific model requirements follow manufacturer installation guidance current at the time of writing.

Frequently asked questions